ResearchRouting table, looking glass, RPKI & IRR

74.51.48.0/21 Vianet Inc.

Announced by AS5690 Vianet Inc. RPKI not found Seen by 5 of our 5 looking glass sessions.

What the table says about 74.51.48.0/21

Origin
AS5690 VIANET INC 5690
RPKI
RPKI not found
Size
2,048 addresses
More specifics
0
IRR route objects
0 exact, 1 covering
In RouteViews
2026-10-13 00:02 UTC

How 74.51.48.0/21 is reached

Every path our looking glass collectors hold for this exact prefix. Open one for its attributes, or see them all side by side in the looking glass.

AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 174 5690
OriginAS5690 Vianet Inc.
Origin codeincomplete
Communities174:21001 174:22003 36601:150 36601:174 36601:2001
Updated4d 21h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 6461 5690
OriginAS5690 Vianet Inc.
Origin codeIGP
Communities903:900 903:13760
Updated5d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 5690
OriginAS5690 Vianet Inc.
Origin codeIGP
Communities36295:100
Updated5d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 5690
OriginAS5690 Vianet Inc.
Origin codeIGP
Communitiesnone
Updated5d 5h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 5690
OriginAS5690 Vianet Inc.
Origin codeincomplete
Communities174:21001 174:22003 36295:100 36295:174
Updated8d 23h ago

Route origin authorizations

No ROA covers this prefix, so RPKI has nothing to say about who may originate it. Validate another origin.

Route objects

Registered in the IRR for this prefix and the ones covering it. Look it up live.

RouteOriginSourceDescriptionMaintained by
74.51.48.0/20 coveringAS5690 VIANET INC 5690RADBUnitz - 74.51.48.0/20MAINT-AS5690

Covering prefixes

Announced prefixes that contain this one, most specific first.

Check 74.51.48.0/21 live